<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8" />
  <title>跳转中...</title>
  <script>
    // 检查当前路径是否为根目录
    if (
      window.location.pathname === "/" ||
      window.location.pathname === "/index.html"
    ) {
      window.location.href = "solar_system.html";
    }
  </script>
</head>

<body>
  <p>正在跳转到首页，请稍候...</p>
</body>

</html>